Home / 27,280,871.43-37,641,982.57-15,676,192.89

Finding the Fourth Proportional to 27,280,871.43, 37,641,982.57 and 15,676,192.89

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Solution

The fourth proportional to 27,280,871.43, 37,641,982.57 and 15,676,192.89 is: 21,629,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280,871.43 : 37,641,982.57 = 15,676,192.89 : x
  2. Step 2: Convert to fraction form
    27,280,871.43/37,641,982.57 = 15,676,192.89/x
  3. Step 3: Cross multiply
    27,280,871.43x = 37,641,982.57 × 15,676,192.89
  4. Step 4: Simplify right side
    27,280,871.43x = 590,082,979,529,338
  5. Step 5: Solve for x
    x = 590,082,979,529,338/27,280,871.43
  6. Step 6: Final answer
    x = 21,629,916.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.